Implantable fiducial marker



FIG. 1 is a perspective view of an implantable fiducial marker showingour new design;

FIG. 2 is a front elevational view thereof, which is identical to therear elevational view thereof;

FIG. 3 is a top plan view thereof, which is identical to the bottom planview thereof; and,

FIG. 4 is a left side elevational view thereof, which is identical tothe right side elevational view thereof.

CLAIM The ornamental design for an implantable fiducial marker, as shownand described.